/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.tomee.loader.service.helper;
import org.apache.openejb.AppContext;
import org.apache.openejb.BeanContext;
import org.apache.openejb.loader.SystemInstance;
import org.apache.openejb.spi.ContainerSystem;
import javax.naming.NamingException;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
public class OpenEJBHelperImpl implements OpenEJBHelper {
private final ContainerSystem container = SystemInstance.get().getComponent(ContainerSystem.class);
@Override
public List<AppContext> getAppContexts() {
return container.getAppContexts();
}
@Override
public Object lookup(String path) throws NamingException {
return container.getJNDIContext().lookup(path);
}
public AppContext app(final String name) {
for (AppContext appContext : getAppContexts()) {
final String appName = appContext.getId();
if (appName.equals(name)) {
return appContext;
}
}
return null;
}
public BeanContext bean(final String app, final String name) {
AppContext appCtx = app(app);
if (appCtx == null) {
return null;
}
for (BeanContext ctx : appCtx.getBeanContexts()) {
if (ctx.getDeploymentID().equals(name)) {
return ctx;
}
}
return null;
}
public Method method(final String app, final String name, final long id) {
final BeanContext bean = bean(app, name);
if (bean != null) {
final Collection<MethodInfo> methods = methods(baseClass(bean));
for (MethodInfo method : methods) {
if (method.getId() == id) {
return method.getMethod();
}
}
}
return null;
}
public Class<?> baseClass(BeanContext beanContext) {
if (beanContext.isLocalbean()) {
return beanContext.getBeanClass();
} else if (beanContext.getBusinessLocalInterfaces().size() > 0) {
return beanContext.getBusinessLocalInterface();
} else if (beanContext.getBusinessRemoteInterface() != null) {
return beanContext.getBusinessRemoteInterface();
}
return beanContext.getBeanClass();
}
public List<MethodInfo> methods(Class<?> beanClass) {
final List<MethodInfo> methods = new ArrayList<MethodInfo>();
Class<?> current = beanClass;
do {
for (Method method : current.getDeclaredMethods()) {
methods.add(new MethodInfo(method.toGenericString()
.replace(beanClass.getName().concat("."), "")
.replace("java.lang.", ""),
method.hashCode(), method));
}
current = current.getSuperclass();
} while (current != null && !current.equals(Object.class));
return methods;
}
public static class MethodInfo {
private String signature;
private long id;
private Method method;
public MethodInfo(String signature, long id, Method mtd) {
this.signature = signature;
this.id = id;
this.method = mtd;
}
public String getSignature() {
return signature;
}
public long getId() {
return id;
}
public Method getMethod() {
return method;
}
}
}